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  • Atlantean Dodgeball
    Atlantean Dodgeball - ratios and differences
  • Bad Date
    Bad Date - ratios
  • Number Rights
    Number Rights - fractions and decimals on number line
  • Overruled!
    Overruled! - measurement and proportions
  • Ratey the Math Cat
    Ratey the Math Cat - unit rates
  • Scale Ella
    Scale Ella - scale factor
Animations
  • Go Go Gopher
    Game Over Gopher Game - coordinate pairs
  • Monster School Bus
    Monster School Bus - base ten, decimals and operations
  • Pearl Diver
    Pearl Diver - fractions and decimals on number line
  • Ratio Rumble
    Ratio Rumble - ratios
  • Gate
    Gate - Building numbers and place value
Online Games
  • Ratio Rumble
    Ratio Rumble - Create potions. Learn Ratios.
  • Video player
    Math Snacks Video Player - iOS App includes all Math Snacks animations and learner guides.
  • Pearl Diver
    Pearl Diver - fractions and decimals on number line
iOS Apps
Pearl Diver: A number line math game

Learn the number line while diving for pearls amidst shipwrecks and sunken ruins. Perfect for grades 3-8 and other fun-loving seafarers. Play here, or download Pearl Diver App for your iPhone/iPod or iPad


Put your approximation skills to the test in Sushi Round! The deadly eel has been caught and he is on your cutting board. Chop him into equal sections to get the most out of your catch. Approximate the location of each number: the closer you are to the mark the more money you earn.

Pearl Diver addresses number and operations standards - such as number line sense, whole numbers, decimals, mixed numbers and fractions - as established by the National Council of Teachers of Mathematics (NCTM), including:

  • Understanding numbers, ways of representing numbers, and number systems.
  • Understanding and representing commonly used fractions.
  • Understanding fractions as part of unit wholes and as locations on number lines.
  • Comparing and ordering fractions, and finding their approximate locations on the number line.

Download Pearl Diver App for your iOS device

View the Downloads page for all Math Snacks.